Our new red acer tree is showing signs of leaf scorch. Most likely, shade is causing your maple to lose its signature colour. Small, grey leaf buds grow on long stems. Just gently tie the uppermost part of the long branches. Acer species are relatively easy to grow, once established, but they do suffer from some problems, due to disease, environmental factors and in that sense, due to one’s lack of knowledge on the specific growing conditions a particular type prefers. Some grow very tall, whereas other species are suitable for container gardening, due to their manageable small size. 020 3176 5800 This might sound like a dumb question, but does your pot have drain holes? Make sure your acer plant is potted in a container that is double the roots’ size to provide them with sufficient space to develop and this way, avoid stunted growth. Acer pseudoplatanus 'Brilliantissima' VARIEG. We’d like to say “yes” and offer these tips. You can try pruning the black branches with sterilised shears and using antifungals to prevent the disease from coming back. Is there anything I can do? A semi-shaded spot in your yard, which is sheltered from high dry winds, is the ideal environment for a healthy and flourishing acer tree. More sunlight, means more pink, less sunlight – more green foliage. Good luck and let us know how you get on! Let us know in the comments below! For more information, check out our Potted acer tree problems. As always with pruning trees, take out any dead, damaged or diseased wood, and any branches that cross over or are growing in the wrong direction. Learn how to pot a Japanese maple, or acer, in a pot, plus what to do if your potted acer is dying. It comes in many subspecies, which boast distinct-shaped leaves in various hues. Fill the hole with a mix of compost and garden soil, and add fertiliser and mycorrhizal fungi. It is often followed by the leaves curling and shrivelling. Hello Chris. In Britain, one of the popular acer tree variety that can be grown in a pot is Japanese maple. What should I do, trim the black branches? – Make sure your acer tree is well sheltered in your home, away from any drafting windows. Hi, I’m worried about my Acer tree and wondered if anyone could give advice. As the leaves emerge, you can give your plant a balanced feed, as well. Hello Pauline. Do they appear to be insect-like, like these guys, or more like some microorganisms/shroom like formations? They leave behind a sticky residue that can then cause fungal infections. Do the white spots look insect-like or more like a fungal growth on the bark? Identified in winter by: the older twigs which have corky ridges and small, grey leaf buds. If you have a smaller Japanese acer, sometimes the branches can get congested towards the centre of the tree. Using high-grade equipment that is inaccessible to everyday households, the dedicated service specialists will gladly go the extra mile to turn your home or office into something truly special. As for the leaf loss - the . RHS members can get exclusive individual advice from the RHS Gardening Advice team. Larger maple species such as the Norway maple (Acer platanoides) and the sycamore maple (Acer pseudoplatanus) are often planted to green roads and as park trees. Now, let’s look at some other issues that may affect your acer tree, be it a potted Japanese maple or another variety that you’ve planted in the ground. the RHS today and get 12 months for the price of 9. Height & Width. Emerging leaves in spring are orange-pink and they then mature to shades of deep green, splashed with cream, tan, and pink, the undersides are maroon. 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